Po

Polonium-212m

Protons (Z)

84

Neutrons (N)

128

Mass number

212

Half-Life

45.1 s

Abundance

---

Mass

211.992 u

Mass Excess

-7,446.0 keV

Spin

(18+)

Discovered

1962

Binding energy per nucleon

7,796 keV

Neutron separation energy

3,085 keV

Proton separation energy

2,876 keV

Decay Mode

Decay chain

Polonium-212Z 84 · N 12845.1 s
α99.93%